The real problem is that a single AA battery only delivers 1.5v. USB is 5v. You can step the voltage up, but doing so will cost you amperage. I can't imagine that charger could provide much of a boost to the Droid at all.

The real problem is that a single AA battery only delivers 1.5v. USB is 5v. You can step the voltage up, but doing so will cost you amperage. I can't imagine that charger could provide much of a boost to the Droid at all.

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Seemed to work fine for the various blackberries at the conference, but my poor droid couldn't get a quick fix.